Activity 3. Exercises

MEJIA – ACTIVITY 3

MEJIA – ACTIVITY 3

by Lovely Hazeleen Mejia -
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1. Which bone (yellow) is centrally located and joins with most of the other bones of the skull? The link of the video at the study guide.

  • Sphenoid bone

2. What are the two mechanisms by which the bones of the body are formed and which bones are formed by each mechanism?

  1. Intramembranous ossification - bone is generated within fibrous connective tissue membranes; forms flat bones of the skull, clavicles (collarbones), cranial bones.

  2. Endochondral ossification is the replacement of cartilage with bone; forms all long bones of axial skeleton (vertebrae, ribs), appendicular skeleton (limbs), and pelvis.

3. What are the synovial joints being described in the video?

  • Planar joint, hinge joint, pivot joint, condyloid joint, saddle joint, ball-and-sacket joint

4. Which type of synovial joint allows for the widest ranges of motion?

  • The ball-and-sacket joint allows the widest ranges of motion.